| Senica to Oberkirch | 423.98 mi (682.33 km) |
| Senica to Obernburg am Main | 379.24 mi (610.32 km) |
| Senica to Obernkirchen | 438.85 mi (706.26 km) |
| Senica to Oberschleissheim | 267.32 mi (430.20 km) |
| Senica to Oberstdorf | 338.82 mi (545.27 km) |
| Senica to Obertraubling | 237.31 mi (381.92 km) |
| Senica to Obertshausen | 395.42 mi (636.37 km) |
| Senica to Oberursel | 408.39 mi (657.24 km) |
| Senica to Ochsenfurt | 336.39 mi (541.37 km) |
| Senica to Ochsenhausen | 342.92 mi (551.87 km) |
| Senica to Ochtrup | 509.09 mi (819.30 km) |
| Senica to Odenthal | 484.16 mi (779.18 km) |
| Senica to Oelde | 461.28 mi (742.36 km) |
| Senica to Oelsnitz | 262.08 mi (421.77 km) |
| Senica to Oer-Erkenschwick | 491.75 mi (791.39 km) |
